The phrase "admitted to altering" is correct and usable in written English.
It can be used when someone acknowledges or confesses to making changes or modifications to something.
Example: "The artist admitted to altering the original painting to better fit the gallery's theme."
Alternatives: "acknowledged changing" or "confessed to modifying".
But the foreclosure ended up among 1,700 temporarily halted in Chicago when the lawyers for the bank admitted to altering documents.
MacLeod also admitted to altering invoices for print work and submitting these to local authority officials.
Last year, porn star Mr. Marcus, 42, admitted to altering his syphilis-positive test so that he could keep performing.
Mr. Marcus, 42, who believes he contracted the STD on set, admitted to altering his syphilis-positive test in July so that he could keep performing.
The father of a Florida shooting survivor who accused CNN of wanting him to ask a "scripted" question during a town hall on gun rights last week admitted to altering the contents of an email he received from a producer working on the show. .
Who in his right mind would willingly admit to altering accounting diaries or approving golden parachutes fit for a West African dictator?
Releford added that coach Self doesn't change anything this time of year, but Self did admit to altering a few things.
When Mr Mahmood appeared before the Inquiry again on 26 January he admitted to deliberately altering the digital record of a story when he was at The Sunday Times in 1988 to hide a crucial mistake, lied about his cover-up and then resigned before he could be fired.
When contacted by the Bureau, Ryan admitted to having altered information, but said: "I've altered it whenever there's misleading or untruthful information been placed on it".
NSB, a Caucasian 54-year-old female, with previous history of anemia and depression, was admitted to the ICU due to altered mental status.
Hughes admitted to knowing that the card had been altered when he graded it.
